/Engine/Source/Editor/UnrealEd/Public/Kismet2/BlueprintEditorUtils.h
Gets a list of delegates names in the blueprint, based on the skeleton class
static void GetDelegateNameList ( const [UBlueprint](API\Runtime\Engine\Engine\UBlueprint) * Blueprint, [TSet](API\Runtime\Core\Containers\TSet)< [FName](API\Runtime\Core\UObject\FName) > & DelegatesNames )